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Windows 7: Win7 licensing question


19 Jul 2011   #1

Win7 Professional
 
 
Win7 licensing question

A couple months ago, my stepson installed a copy of Windows 7 Professional on his laptop and purchased a product key (against my advice) from one of those "Win7KeyShop" rip-off sites. Of course, two months later the key is now coming up as counterfeit/invalid.

I'm wondering if I can purchase this OEM Version from NewEgg and use that product key to "legitimize" his copy of Windows 7 without having to do a complete re-install. My main concern is that this "OEM" product key might not be valid for the "Retail" version that's currently installed. I'd hate to get the "This product Key is not valid for this version of Windows" error message.

Of course, I can do a full re-install if necessary, but I'd rather not.

Any info or advice will be much appreciated.

thanks,
JohnB

My System SpecsSystem Spec
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19 Jul 2011   #2

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

The key you are looking to purchase, will be good.
But it would be best to reinstall to make sure you have NO nasty's from the old disk.

Clean Install Windows 7
SSD / HDD : Optimize for Windows Reinstallation
My System SpecsSystem Spec
19 Jul 2011   #3
Microsoft MVP

 

Providing it is the same version and you trust the ISO source for the original installer, then just change the Product Key at Computer>Properties activation link. If that link is not active, run an Elevated Command Prompt to type slmgr -ipk followed by a space and the new Product Key. SLMgr Commands and Options with Product Key Activation

If you want to buy a lesser or different version there is a workaround to change Windows 7 without reinstall.
My System SpecsSystem Spec
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19 Jul 2011   #4

Win7 Professional
 
 

Thanks, theog. Hopefully you're correct and I'll be able to use that key "in-place" without having to re-install. I'll post my results here.

I don't think there should be any residual "nasties" from the original install disk. It was a legitimate Windows 7 DVD that he borrowed, not an .iso from a downloaded torrent or anything like that.

best,
JohnB
My System SpecsSystem Spec
19 Jul 2011   #5

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

Looks like you are good to go.
My System SpecsSystem Spec
19 Jul 2011   #6

Win7 Professional
 
 

I hope so. Maybe next time the kid will listen to what I say instead of wasting $30. Probably not...
My System SpecsSystem Spec
19 Jul 2011   #7

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

Grand Kids are same.
My System SpecsSystem Spec
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 Win7 licensing question




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